9869840

素因数分解:

$2^4\times 5^1\times {\mathrm{123373}}^1$

素因数の和:123386

約数の個数: 20

約数和(自身を含む): 22947564

約数和(自身を除く): 13077724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123373, 246746, 493492, 616865, 986984, 1233730, 1973968, 2467460, 4934920, 9869840]

約数ペア:

[(1, 9869840), (2, 4934920), (4, 2467460), (5, 1973968), (8, 1233730), (10, 986984), (16, 616865), (20, 493492), (40, 246746), (80, 123373)]